Yealink Network Technology Co., Ltd

Yealink BH74 is a bluetooth ANC wireless headset for focused and professional work from anywhere.

BH74 + Stand Teams USB-C/A, Ø 30mm, Hybrid ANC, Bluetooth 5.3, USB C/A

Product type

Wearing style

What the product should be used for, and how it should be used (e.g. ambient temperature).

Recommended usage

A headset is headphones combined with a microphone, or one headphone with a microphone. Headsets provide the equivalent functionality of a telephone handset but with hands-free operation. Types of headsets include single earpiece (monaural) and double earpiece.

Headset type

The colour e.g. red, blue, green, black, white.

Product colour

The specific functions assigned to the physical buttons on the device, such as volume control, play/pause, or power.

Operating keys

Specifies the design and placement of the interface used to manage device settings, such as an in-line control unit integrated into the cable.

Control unit type

The way in which the device is controlled.

Control type

The specific status lights available on the unit to provide visual feedback on its current state or connectivity (e.g., AC input, ACT, or Access).

LED indicators

Country where the device is made. Aka Country of manufacture (COM).

Country of origin

Performance

The technology that enables connectivity of the device, e.g. wired or wireless.

Connectivity technology

What type of USB connector is built into the device.

USB connector

Bluetooth is a low-power radio technology developed to replace the cables and wires currently used to link or connect electronic devices such as personal computers, printers, and a wide variety of handheld devices including mobile phones. Because it uses radio-wave connectivity, a Bluetooth-enabled device has a constant, established connection to whatever browser it uses. This saves the user the trouble of logging on to check for emails or news updates, for example.

Bluetooth

The type of bluetooth technology in the product e.g. Bluetooth Smart (v4.0).

Bluetooth version

The maximum distance over which the device can maintain a stable wireless connection, typically measured in metres.

Wireless range

Ports & interfaces

Ear coupling describes the way in which headphones or earphones stay attached to, or inside, the ear. There are three common types of ear coupling: circumaural, supra-aural and intra-aural. Circumaural headphones enclose your ears with large pads that suppress external noise. Supra-aural headphones are typically more lightweight and sit on top of the ears with small pads. Intra-aural headphones come in two basic designs and neither style sits on the head itself. The first are ear buds, which sit just outside of the ear canal, on top of your ear lobes. The second type is actually inserted directly into the ear canal and offers some external noise suppression.

Ear coupling

The diameter of the internal diaphragm responsible for producing sound, measured in millimetres.

Driver unit

Indicates whether the device features technology to reduce unwanted ambient sounds.

Noise canceling

The technology used to reduce unwanted ambient sound, such as Active, Adaptive, or Passive noise cancellation.

Noise canceling type

Headphones

The characteristics of the microphone bulit into the device in terms of the reception of signals from all or just one direction, i.e. omnidirectional (better for concerts and the like vs unidirectional, more suitable for voice recording.

Microphone type

Indicates whether the product has a dedicated function to silence the microphone.

Microphone mute

Microphone

The available colour options for the charging or docking base (e.g. Anthracite or Aluminium).

Base station colour

Base station

Indicates whether the product is powered by batteries.

Battery operated

The total duration the device can play audio on a single charge while active noise cancellation is enabled, measured in h.

Continuous audio playback time (ANC on)

The total time a battery can power a device for calls. As the device drains the battery during a call, the talktime left in the battery is diminished until the device is turned off or the battery recharged. The longer the talktime the less frequently you will need to recharge. Talktime, expressed in hours and minutes, is much shorter than standby time because transmission requires more power.

Talk time

Approximate time required to recharge the battery from completely empty to completely full

Battery recharge time

The maximum duration the device can remain powered on in a low-power mode before the battery is depleted, typically measured in hours or days.

Standby time

Battery

The measurement or extent of something from side to side.

Width

The distance from the front to the back of something.

Depth

The measurement of the product from head to foot or from base to top.

Height

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

Weight

Weight & dimensions

The distance from one side of the packaging to the other.

Package width

The distance from the front to the back of the packaging.

Package depth

The distance from the top to the bottom of the packaging.

Package height

Package weight

Packaging data

Indicates whether the product is supplied with or supports a dedicated base for charging the battery.

Charging stand

Instructions, either online, as a computer program or in paper form, to allow you to set up and start using the product quickly.

Quick start guide

Packaging content

Yealink BH74 with Stand Teams USB-C/A Headset

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